Steam-generator.



1. c. PARKER. STEAM GENERATOR. APPLICATION FILED JULYB. 19,15.

' Patnted NGV. 21, 1916.

2 SHEETS-SHEET 2.

f 9' t @Y f5 E" r r -INVENTOR We@ BVMW/9am' f ATTORNYS JOHN '0.,BARERQFBALA, PENNSYLVANIA.

citizen ofthe :United- States; 'reeidingnt Baia', in the' 'c ounty ofMontgomery and Stute .Oi Pennsylvanie, haye lnvenffed eertninniprovementsm 'Steam-:Generatoi'sj' oi which; the following' is especification.'

. My invention relates f.to 5 steam genemois having continuonscirculating tube'send2- compiis'es, inlpe'preferred form, :L plur'alityof Steam und waiter "eemp'gutme'nts,'irl-geeinibine-tion with tubularcOils-havin'g'ldiied.

seet'ions and tubulai" onnectionsbetiveem .the-'top and 'bottonisectlonsand the respe ive compartments.

A pri-mary 0b eet of the .invention-'is' te generator hailingeoxitinuii's tubulai- ;e0ils,

i :tubes having their 'up'pei' ends eomiected difwith an .improved'circulatingsystem idapted for preventing tbe' Atrapping of steam "01"the.j highest bezit of. the -iei if tin lwifi] x'x'ieiefullly gi-ppegir.by reference to@ ments; Fig. is'jani'rregulur netionshown inf-F Thelinechenlsm', .esj

pertinent 5 ting through the ports .7 'and therein,

specificati@ @timers Paz'mf 1915. 'serial No. 38,792..

jiinciion boxes.

bfichecondnits v 1i,v 121113,14, ed 4f tov-the 'aiewerends 'ef-: *Y

1T with the junctioirbox 18 which is eon- 'neeted with correspondingends of parallel tubes 1l). -Horizontal junction boxes 2U connect theopposite. ends oil? these tubes llrin4 substantially horizontal pairsand vertioaljunction boxes 21 connect correspond ing ends of otersuperposed tubes ot' the respective elements in substantially vertical'pairs the elements being thus' made two tubes wide. The lower tubes 19have ends connected by junction boxes 21 with the upper ends of inclineddown-flow tubesl 19 whose lower ends are connected by junction boxes 20with thc lower ends of upflow tubes 19, the upper ends of the lattertubes being connected by' junction boxes 22 with julicast for severalbottom tubes' or to pro vide an upc-ast passage. or passages contracted. with relation to the passages delivering thereto1 since by,this relation the increased amount of steam carried by the upcastincreases the diii'erentia-l head over what it would 4be with theupcasts equal in crosssectional area to the coils delivering thereto.'This arrangement, moreover, tendsy to secure ample Water in the bottomtubes and consequent protection therefor, in addition to facilitatingcircull'ition.

Having dern'ibed my invention, 1 claim:

1. ln a steam generator, steam und water containing means, an upcastconnected with the stein space 'of said means, a douznJlow coil havingan uppersection connected with thc water space of said means, a bottomsection inclined upwardly in the dii :ction of flow therethrough andhaving its upper end connected with said upoast, the lower end of theupper section discharging into the lower end of-said bottom section, abaille between said bottom and upper sections, and means for applyingprimary heating action to said bottom section immediately beneath saidbalile.

2. In a steam generator, steam and water containing means, an upcastconnected with the stern space of said means, o down-flow coil having anupper section connected with the water Space of said means, x1 bottomsec tion inclined upwardly in the direction of How therethrough andhaving its upper end connected with said upcast, a downwardly inclinedintermediate section higher thanv said bottom section and dischargingthrough the lower end thereofl to the -lower end of said bottonisection, a baille betweenA said bottoni and intermediate sections, andmeans for applying primary heatingiaction to said bottom sectionimmediately beneath said battle.

In testimony whereof I- have hereunto -set my name this 3rd dey of July,1915.

Jo/HN' o. PARKER.

